01 February 1999 Backwards-incompatible changes to DocBook that are planned for V5.0: - The Coords attribute will be removed from AreaSet. - ArtHeader will be dropped from BiblioEntry - Contents attribute will be removed from BookInfo and SetInfo - The %indexdivcomponent.mix; will be restricted. Numbered figures and other elements inappropriate for an Index or SetIndex will be removed. - RevHistory will be removed from GlossTerm - Constant Class will be removed from SystemItem - Graphic and InlineGraphic will be removed